Welcome to LookChem.com Sign In|Join Free

CAS

  • or

20281-28-1

Post Buying Request

20281-28-1 Suppliers

Recommended suppliersmore

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

20281-28-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20281-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,8 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20281-28:
(7*2)+(6*0)+(5*2)+(4*8)+(3*1)+(2*2)+(1*8)=71
71 % 10 = 1
So 20281-28-1 is a valid CAS Registry Number.

20281-28-1Upstream product

20281-28-1Downstream Products

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 20281-28-1